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Mathematics Cinema

Theory of Quadratic Equation Unit#02 Class 10th Mathematics (Science Group)

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99 items
Last updated on Nov 6, 2021
public playlist 
This Playlist contains questions related to Theory of quadratic equation like
Nature of roots, Cube roots of unity, Roots and co-efficient of quadratic equation, the sum and products of roots of quadratic equation, Formation of quadratic equation whose Roots are  given, Synthetic Division, Simultaneous Equation and their solution, Solving Real life problem with quadratic equation.
Mathematics Cinema
01-Nature of Roots of Quadratic Equation | Theory of Quadratic Equation | Concept of Discriminant
12:30
01-Nature of Roots of Quadratic Equation | Theory of Quadratic Equation | Concept of Discriminant

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Mathematics Cinema
02-Exercise 2.1 Q1 | Finding Discriminant | Class 10 |Theory of Quadratic Equation
4:37
02-Exercise 2.1 Q1 | Finding Discriminant | Class 10 |Theory of Quadratic Equation

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Mathematics Cinema
03-Exercise 2.1 Q2 (i) | Finding Nature of Roots with Verification | Class 10
6:07
03-Exercise 2.1 Q2 (i) | Finding Nature of Roots with Verification | Class 10

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Mathematics Cinema
04-Exercise 2.1 Q2 (ii) | Finding Nature of Roots with Verification | Class 10
5:17
04-Exercise 2.1 Q2 (ii) | Finding Nature of Roots with Verification | Class 10

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Mathematics Cinema
05-Exercise 2.1 Q2 (iii) | Finding Nature of Roots with Verification | Class 10
4:15
05-Exercise 2.1 Q2 (iii) | Finding Nature of Roots with Verification | Class 10

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Mathematics Cinema
06-Exercise 2.1 Q2 (iv) | Finding Nature of Roots with Verification | Class 10
4:57
06-Exercise 2.1 Q2 (iv) | Finding Nature of Roots with Verification | Class 10

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Mathematics Cinema
07-Exercise 2.1 Q3|Finding the value of K for Perfect Square| class 10| Theory of Quadratic Equation
6:34
07-Exercise 2.1 Q3|Finding the value of K for Perfect Square| class 10| Theory of Quadratic Equation

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Mathematics Cinema
08-Exercise 2.1 Q4(i) |Finding value of K for Equal Roots| class 10| Theory of Quadratic Equation.
4:27
08-Exercise 2.1 Q4(i) |Finding value of K for Equal Roots| class 10| Theory of Quadratic Equation.

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Mathematics Cinema
09-Exercise 2.1 Q4(ii) |Finding value of K for Equal Roots| class 10| Theory of Quadratic Equation.
3:24
09-Exercise 2.1 Q4(ii) |Finding value of K for Equal Roots| class 10| Theory of Quadratic Equation.

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Mathematics Cinema
10-Exercise 2.1 Q4(iii) |Finding value of K for Equal Roots| class 10| Theory of Quadratic Equation.
4:39
10-Exercise 2.1 Q4(iii) |Finding value of K for Equal Roots| class 10| Theory of Quadratic Equation.

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Mathematics Cinema
11-Exercise 2.1 Q5 |Show that Roots are equal for given condition |class 10| Theory of Quadratic Eq.
7:24
11-Exercise 2.1 Q5 |Show that Roots are equal for given condition |class 10| Theory of Quadratic Eq.

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Mathematics Cinema
12-Exercise 2.1 Q6 |Finding the condition for equal Roots |class 10| Theory of Quadratic Equation
6:39
12-Exercise 2.1 Q6 |Finding the condition for equal Roots |class 10| Theory of Quadratic Equation

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Mathematics Cinema
13-Exercise 2.1 Q7 |Show that Roots are equal for given conditions |class 10| Theory of Quadratic Eq
5:50
13-Exercise 2.1 Q7 |Show that Roots are equal for given conditions |class 10| Theory of Quadratic Eq

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Mathematics Cinema
14-Exercise 2.1 Q8(i) |Show that Roots are Rational |class 10| Theory of Quadratic Equation
10:49
14-Exercise 2.1 Q8(i) |Show that Roots are Rational |class 10| Theory of Quadratic Equation

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Mathematics Cinema
15-Exercise 2.1 Q8(ii) |Show that Roots are Rational |class 10| Theory of Quadratic Equation
5:13
15-Exercise 2.1 Q8(ii) |Show that Roots are Rational |class 10| Theory of Quadratic Equation

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Mathematics Cinema
16-Exercise 2.1Q9 |Prove that For all values of k the roots are real|class10| Theory of Quadratic Eq
3:46
16-Exercise 2.1Q9 |Prove that For all values of k the roots are real|class10| Theory of Quadratic Eq

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Mathematics Cinema
17-Exercise 2.1Q10 |Show that the roots are real |class10| Theory of Quadratic Equation
6:59
17-Exercise 2.1Q10 |Show that the roots are real |class10| Theory of Quadratic Equation

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Mathematics Cinema
18-Find Cube Roots of unity | Class 10 | Theory of quadratic equation.
7:26
18-Find Cube Roots of unity | Class 10 | Theory of quadratic equation.

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Mathematics Cinema
19-Prove that each of the complex cube roots of unity is the square of the other.
9:40
19-Prove that each of the complex cube roots of unity is the square of the other.

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Mathematics Cinema
20-Prove that the product of three cube root of unity is one.
5:42
20-Prove that the product of three cube root of unity is one.

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Mathematics Cinema
21-Prove that each complex cube root of unity is reciprocal of the other.
2:53
21-Prove that each complex cube root of unity is reciprocal of the other.

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Mathematics Cinema
22-Prove that the sum of all cube roots of unity is zero.
3:42
22-Prove that the sum of all cube roots of unity is zero.

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Mathematics Cinema
23-Example 1 page 25 |chapter 2 |Theory of quadratic Eqauation|class 10
5:29
23-Example 1 page 25 |chapter 2 |Theory of quadratic Eqauation|class 10

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Mathematics Cinema
24-Example 2 page 25 |chapter 2 |Theory of quadratic Eqauation|class 10
3:47
24-Example 2 page 25 |chapter 2 |Theory of quadratic Eqauation|class 10

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Mathematics Cinema
25-Exercise 2.2 Q1 |Cube roots of -1,8,-27,64 |chapter 2 |Theory of quadratic Equation|class 10
10:44
25-Exercise 2.2 Q1 |Cube roots of -1,8,-27,64 |chapter 2 |Theory of quadratic Equation|class 10

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Mathematics Cinema
26-Exercise 2.2 Q2(i)|Evaluate by using cube roots of unity|chapter 2 |Theory of quadratic |class 10
1:25
26-Exercise 2.2 Q2(i)|Evaluate by using cube roots of unity|chapter 2 |Theory of quadratic |class 10

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Mathematics Cinema
27-Exercise 2.2 Q2(ii)|Evaluate by using cube roots of unity|chapter 2|Theory of quadratic |class 10
1:35
27-Exercise 2.2 Q2(ii)|Evaluate by using cube roots of unity|chapter 2|Theory of quadratic |class 10

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Mathematics Cinema
28-Exercise 2.2 Q2(iii)|Evaluate by using cube roots of unity|chapter 2|Theory of quadratic |class10
1:37
28-Exercise 2.2 Q2(iii)|Evaluate by using cube roots of unity|chapter 2|Theory of quadratic |class10

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Mathematics Cinema
29-Exercise 2.2 Q2(iv)|Evaluate by using cube roots of unity|chapter 2|Theory of quadratic |class 10
3:18
29-Exercise 2.2 Q2(iv)|Evaluate by using cube roots of unity|chapter 2|Theory of quadratic |class 10

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Mathematics Cinema
30-Exercise 2.2 Q2(v)|Evaluate by using cube roots of unity|chapter 2|Theory of quadratic |class10
2:49
30-Exercise 2.2 Q2(v)|Evaluate by using cube roots of unity|chapter 2|Theory of quadratic |class10

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Mathematics Cinema
31-Exercise 2.2 Q2(vi)|Evaluate by using cube roots of unity|chapter 2|Theory of quadratic |class 10
2:33
31-Exercise 2.2 Q2(vi)|Evaluate by using cube roots of unity|chapter 2|Theory of quadratic |class 10

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Mathematics Cinema
32-Exercise 2.2 Q2(vii)|Evaluate by using cube roots of unity|chapter 2|Theory of quadratic|class 10
3:04
32-Exercise 2.2 Q2(vii)|Evaluate by using cube roots of unity|chapter 2|Theory of quadratic|class 10

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Mathematics Cinema
33-Exercise 2.2 Q2(viii)|Evaluate by using cube roots of unity|chapter 2|Theory of quadratic|class10
3:33
33-Exercise 2.2 Q2(viii)|Evaluate by using cube roots of unity|chapter 2|Theory of quadratic|class10

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Mathematics Cinema
34-Exercise 2.2 Q3|Prove that by using cube roots of unity|chapter 2|Theory of quadratic eq|class 10
3:44
34-Exercise 2.2 Q3|Prove that by using cube roots of unity|chapter 2|Theory of quadratic eq|class 10

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Mathematics Cinema
35-Exercise 2.2 Q4|Prove that by using cube roots of unity|chapter 2|Theory of quadratic eq|class 10
6:07
35-Exercise 2.2 Q4|Prove that by using cube roots of unity|chapter 2|Theory of quadratic eq|class 10

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Mathematics Cinema
36-Exercise 2.2 Q5|Prove that by using cube roots of unity|chapter 2|Theory of quadratic eq|class 10
5:46
36-Exercise 2.2 Q5|Prove that by using cube roots of unity|chapter 2|Theory of quadratic eq|class 10

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Mathematics Cinema
37-Relation Between Roots and Co-efficients of a quadratic equation|class 10| class 11
11:02
37-Relation Between Roots and Co-efficients of a quadratic equation|class 10| class 11

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Mathematics Cinema
38-Exercise 2.3 Q2(i) |Find the value of k if Sum of Roots of equation is twice the Product of Roots
4:13
38-Exercise 2.3 Q2(i) |Find the value of k if Sum of Roots of equation is twice the Product of Roots

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Mathematics Cinema
39-Exercise 2.3 Q2(ii)|Find the value of k if Sum of Roots of eq. is 3/2 times the Product of Roots
4:43
39-Exercise 2.3 Q2(ii)|Find the value of k if Sum of Roots of eq. is 3/2 times the Product of Roots

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Mathematics Cinema
40-Exercise 2.3 Q3 (i) |Find the value of k, if sum of squares of Roots of equation is 2|class 10
5:34
40-Exercise 2.3 Q3 (i) |Find the value of k, if sum of squares of Roots of equation is 2|class 10

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Mathematics Cinema
41-Exercise 2.3 Q3 (ii) |Find the value of k, if sum of squares of Roots of equation is 6|class 10
6:04
41-Exercise 2.3 Q3 (ii) |Find the value of k, if sum of squares of Roots of equation is 6|class 10

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Mathematics Cinema
42-Exercise 2.3 Q4 (i) |Find the value of p, if the Roots of the equation differ by unity | class 10
4:03
42-Exercise 2.3 Q4 (i) |Find the value of p, if the Roots of the equation differ by unity | class 10

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Mathematics Cinema
43-Exercise 2.3 Q4 (ii) |Find the value of p, if the Roots of the equation differ by 6|class 10
3:54
43-Exercise 2.3 Q4 (ii) |Find the value of p, if the Roots of the equation differ by 6|class 10

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Mathematics Cinema
44-Exercise 2.3 Q5 (i) |Find the value of m, if Roots of equation satisfy relation 3α+2β=4|class10
4:36
44-Exercise 2.3 Q5 (i) |Find the value of m, if Roots of equation satisfy relation 3α+2β=4|class10

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Mathematics Cinema
45-Exercise 2.3 Q5 (ii) |Find the value of m, if Roots of equation satisfy relation 3α-2β=4|class 10
4:21
45-Exercise 2.3 Q5 (ii) |Find the value of m, if Roots of equation satisfy relation 3α-2β=4|class 10

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Mathematics Cinema
46-Exercise 2.3 Q5 (iii) |Find value of m, if Roots of equation satisfy relation 7α-3β=18|class 10
4:41
46-Exercise 2.3 Q5 (iii) |Find value of m, if Roots of equation satisfy relation 7α-3β=18|class 10

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Mathematics Cinema
47-Exercise 2.3 Q6(i)|Find value of m,if sum and product of Roots of equation is equal to λ |class10
3:28
47-Exercise 2.3 Q6(i)|Find value of m,if sum and product of Roots of equation is equal to λ |class10

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Mathematics Cinema
48-Exercise 2.3 Q6(ii)|Find value of m,if sum and product of Roots of equation is equal to λ.
3:16
48-Exercise 2.3 Q6(ii)|Find value of m,if sum and product of Roots of equation is equal to λ.

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Mathematics Cinema
49-Definition and Explanation of Symmetric Functions with Examples |class 10
4:36
49-Definition and Explanation of Symmetric Functions with Examples |class 10

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Mathematics Cinema
50-Exercise 2.4 Q1 (All parts) If α , β are roots of equation then evaluate given expressions
9:15
50-Exercise 2.4 Q1 (All parts) If α , β are roots of equation then evaluate given expressions

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Mathematics Cinema
51-Exercise 2.4 Q2 (All parts) If α , β are roots of equation then evaluate given expressions
10:12
51-Exercise 2.4 Q2 (All parts) If α , β are roots of equation then evaluate given expressions

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Mathematics Cinema
52-Exercise 2.4 Q3 (All parts) If α , β are roots of equation then evaluate given expressions
5:43
52-Exercise 2.4 Q3 (All parts) If α , β are roots of equation then evaluate given expressions

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Mathematics Cinema
53-Formation of a Quadratic Equation whose roots are given with examples.
6:25
53-Formation of a Quadratic Equation whose roots are given with examples.

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Mathematics Cinema
54-Exercise 2.5 Q1.Write quadratic equation having roots (a)1,5 (b)4,9 (g) 1+i,1-i (h) 3+√2,3-√2
7:02
54-Exercise 2.5 Q1.Write quadratic equation having roots (a)1,5 (b)4,9 (g) 1+i,1-i (h) 3+√2,3-√2

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Mathematics Cinema
55-Exercise2.5 Q2.If α,β are roots of equation x^2-3x+6=0.Form equation whose roots are (a)2α+1,2β+1
5:24
55-Exercise2.5 Q2.If α,β are roots of equation x^2-3x+6=0.Form equation whose roots are (a)2α+1,2β+1

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Mathematics Cinema
56-Exercise 2.5 Q2.If α,β are roots of equation x^2-3x+6=0. Form equation whose roots are (b)α^2,β^2
4:29
56-Exercise 2.5 Q2.If α,β are roots of equation x^2-3x+6=0. Form equation whose roots are (b)α^2,β^2

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Mathematics Cinema
57-Exercise 2.5 Q2.If α,β are roots of equation x^2-3x+6=0.Form equation whose roots are (c)1/α,1/β
3:01
57-Exercise 2.5 Q2.If α,β are roots of equation x^2-3x+6=0.Form equation whose roots are (c)1/α,1/β

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Mathematics Cinema
58-Exercise 2.5 Q2.If α,β are roots of equation x^2-3x+6=0.Form equation whose roots are (d) α/β,β/α
4:21
58-Exercise 2.5 Q2.If α,β are roots of equation x^2-3x+6=0.Form equation whose roots are (d) α/β,β/α

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Mathematics Cinema
59-Exercise 2.5 Q2.If α,β are roots of Eq. x^2-3x+6=0.Form equation whose roots are (e) α+β,1/α+1/β
4:47
59-Exercise 2.5 Q2.If α,β are roots of Eq. x^2-3x+6=0.Form equation whose roots are (e) α+β,1/α+1/β

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Mathematics Cinema
60-Exercise2.5 Q3.If α,β are roots of x^2+px+q=0.Form equation whose roots are (a)α^2,β^2 (b)α/β,β/α
7:47
60-Exercise2.5 Q3.If α,β are roots of x^2+px+q=0.Form equation whose roots are (a)α^2,β^2 (b)α/β,β/α

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Mathematics Cinema
61-Exercise 2.6 Q1.Use Synthetic division to find quotient and remainder(i)(x^2+7x-1)÷(x+1)
8:27
61-Exercise 2.6 Q1.Use Synthetic division to find quotient and remainder(i)(x^2+7x-1)÷(x+1)

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Mathematics Cinema
62-Ex 2.6 Q2.Find value of h using Synthetic division, if(i)3 is zero of the polynomial 2x^3-3hx^2+9
3:58
62-Ex 2.6 Q2.Find value of h using Synthetic division, if(i)3 is zero of the polynomial 2x^3-3hx^2+9

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Mathematics Cinema
63-Exerc. 2.6 Q2.Find value of h using Synthetic division,if(ii)1 is zero of polynomial x^3-2hx^2+11
3:33
63-Exerc. 2.6 Q2.Find value of h using Synthetic division,if(ii)1 is zero of polynomial x^3-2hx^2+11

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Mathematics Cinema
64-Exercise 2.6 Q2.Find value of h using Synthetic division, if (iii)-1 is the zero of 2x^3+5hx-23
3:11
64-Exercise 2.6 Q2.Find value of h using Synthetic division, if (iii)-1 is the zero of 2x^3+5hx-23

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Mathematics Cinema
65-Exercise 2.6 Q3.Use Synthetic division to find values of l and m (i)(x+3) and (x-2) are factors..
4:22
65-Exercise 2.6 Q3.Use Synthetic division to find values of l and m (i)(x+3) and (x-2) are factors..

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Mathematics Cinema
66-Exercise 2.6 Q3.Use Synthetic division to find value of l and m (ii)(x-1) and (x+1) are factors..
4:20
66-Exercise 2.6 Q3.Use Synthetic division to find value of l and m (ii)(x-1) and (x+1) are factors..

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Mathematics Cinema
67-Exercise 2.6 Q4.Solve by Using Synthetic division, if (i) 2 is the root of Equation x^3-28x+48=0
4:15
67-Exercise 2.6 Q4.Solve by Using Synthetic division, if (i) 2 is the root of Equation x^3-28x+48=0

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Mathematics Cinema
68-Exercise 2.6 Q4.Solve by Using Synthetic division, if(ii) 3 is the root of 2x^3-3x^2-11x+6=0
3:42
68-Exercise 2.6 Q4.Solve by Using Synthetic division, if(ii) 3 is the root of 2x^3-3x^2-11x+6=0

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Mathematics Cinema
69-Exercise 2.6 Q4.Solve by Using Synthetic division, if(iii) -1 is the root of 4x^3-x^2-11x-6=0
4:10
69-Exercise 2.6 Q4.Solve by Using Synthetic division, if(iii) -1 is the root of 4x^3-x^2-11x-6=0

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Mathematics Cinema
70-Exercise 2.6 Q5.Solve by Using Synthetic division, if(i)1 and 3 are the roots of x^4-10x^2+9=0
4:28
70-Exercise 2.6 Q5.Solve by Using Synthetic division, if(i)1 and 3 are the roots of x^4-10x^2+9=0

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Mathematics Cinema
71-Exercise 2.6 Q5.Solve by Using Synthetic division,if(ii)3,-4 are roots of x^4+2x^3-13x^2-14x+24=0
4:06
71-Exercise 2.6 Q5.Solve by Using Synthetic division,if(ii)3,-4 are roots of x^4+2x^3-13x^2-14x+24=0

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Mathematics Cinema
72-Exercise 2.7 Q1. Solve the Simultaneous Equations x+y=5 ; x^2-2y-14=0 | CLASS 10 UNIT 2
6:18
72-Exercise 2.7 Q1. Solve the Simultaneous Equations x+y=5 ; x^2-2y-14=0 | CLASS 10 UNIT 2

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Mathematics Cinema
73-Exercise 2.7 Q2. Solve the Simultaneous Equations 3x-2y=1 ; x^2+xy-y^2=1 |Class 10 Unit 2
7:42
73-Exercise 2.7 Q2. Solve the Simultaneous Equations 3x-2y=1 ; x^2+xy-y^2=1 |Class 10 Unit 2

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Mathematics Cinema
74-Exercise 2.7 Q3.Solve the Simultaneous Equations x-y=7 ; 2/x-5/y=2 |Class 10 | Unit 02
7:13
74-Exercise 2.7 Q3.Solve the Simultaneous Equations x-y=7 ; 2/x-5/y=2 |Class 10 | Unit 02

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Mathematics Cinema
75-Exercise 2.7 Q4. Solve the Simultaneous Equations x+y=a-b ; a/x-b/y=2 |Class 10 Unit 02
10:33
75-Exercise 2.7 Q4. Solve the Simultaneous Equations x+y=a-b ; a/x-b/y=2 |Class 10 Unit 02

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Mathematics Cinema
76-Exercise 2.7 Q5.Solve the Simultaneous Equations x^2+(y-1)^2=10 ; x^2+y^2+4x=1
8:25
76-Exercise 2.7 Q5.Solve the Simultaneous Equations x^2+(y-1)^2=10 ; x^2+y^2+4x=1

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Mathematics Cinema
77-Exercise 2.7 Q6.Solve the Simultaneous Equations (x+1)^2+(y+1)^2=5 ; (x+2)^2+y^2=5
7:05
77-Exercise 2.7 Q6.Solve the Simultaneous Equations (x+1)^2+(y+1)^2=5 ; (x+2)^2+y^2=5

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Mathematics Cinema
78-Exercise 2.7 Q7.Solve the Simultaneous Equations x^2+2y^2=22 ; 5x^2+y^2=29
5:18
78-Exercise 2.7 Q7.Solve the Simultaneous Equations x^2+2y^2=22 ; 5x^2+y^2=29

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Mathematics Cinema
79-Exercise 2.7 Q8.Solve the Simultaneous Equation 4x^2-5y^2=6 ; 3x^2+y^2=14
4:48
79-Exercise 2.7 Q8.Solve the Simultaneous Equation 4x^2-5y^2=6 ; 3x^2+y^2=14

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Mathematics Cinema
80-Exercise 2.7 Q9.Solve the Simultaneous Equation 7x^2-3y^2=4 ; 2x^2+5y^2=7
5:18
80-Exercise 2.7 Q9.Solve the Simultaneous Equation 7x^2-3y^2=4 ; 2x^2+5y^2=7

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Mathematics Cinema
81-Exercise 2.7 Q10. Solve the Simultaneous Equations x^2+2y^2=3 ; x^2+4xy-5y^2=0
9:00
81-Exercise 2.7 Q10. Solve the Simultaneous Equations x^2+2y^2=3 ; x^2+4xy-5y^2=0

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Mathematics Cinema
82-Exercise 2.7 Q11. Solve the Simultaneous Equations 3x^2-y^2=26 ; 3x^2-5xy-12y^2=0
13:35
82-Exercise 2.7 Q11. Solve the Simultaneous Equations 3x^2-y^2=26 ; 3x^2-5xy-12y^2=0

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Mathematics Cinema
83-Exercise 2.7 Q12.Solve the Simultaneous Equations x^2+xy=5 ; y^2+xy=3
10:37
83-Exercise 2.7 Q12.Solve the Simultaneous Equations x^2+xy=5 ; y^2+xy=3

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Mathematics Cinema
84-Exercise 2.7 Q13. Solve the Simultaneous Equations x^2-2xy=7 ; xy+3y^2=2
12:13
84-Exercise 2.7 Q13. Solve the Simultaneous Equations x^2-2xy=7 ; xy+3y^2=2

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Mathematics Cinema
85-Unit 2. Example 1: Page 43 Three less than a certain number multiplied by 9 less than ...
5:50
85-Unit 2. Example 1: Page 43 Three less than a certain number multiplied by 9 less than ...

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86-Unit 2. Example 2: Page 44 If length is 4cm more than the breadth of a Rectangle and Area ...
4:12
86-Unit 2. Example 2: Page 44 If length is 4cm more than the breadth of a Rectangle and Area ...

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Mathematics Cinema
87-Unit 2. Example 3: Page 44| The sum of the co-ordinates of a point is 6 and sum of their Sq...
7:13
87-Unit 2. Example 3: Page 44| The sum of the co-ordinates of a point is 6 and sum of their Sq...

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Mathematics Cinema
88-Exercise 2.8 Q1. |The product of two positive consecutive numbers is 182.Find the numbers.
4:02
88-Exercise 2.8 Q1. |The product of two positive consecutive numbers is 182.Find the numbers.

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Mathematics Cinema
89-Exercise 2.8 Q2. | The sum of the squares of three positive consecutive numbers is 77.Find them.
5:46
89-Exercise 2.8 Q2. | The sum of the squares of three positive consecutive numbers is 77.Find them.

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Mathematics Cinema
90-Exercise 2.8 Q3.|The sum of five times a number and the square of the number is 204.Find the num.
4:52
90-Exercise 2.8 Q3.|The sum of five times a number and the square of the number is 204.Find the num.

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Mathematics Cinema
91-Exercise 2.8 Q4. The product of five less than three times a certain number and One less than ...
5:42
91-Exercise 2.8 Q4. The product of five less than three times a certain number and One less than ...

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Mathematics Cinema
92-Exercise 2.8 Q5. The difference of a number and its reciprocal is 15/4 .Find the numbers.
4:37
92-Exercise 2.8 Q5. The difference of a number and its reciprocal is 15/4 .Find the numbers.

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Mathematics Cinema
93-Exercise 2.8 Q6|The sum of the squares of two digits of a positive integral Number is 65 and t...
7:36
93-Exercise 2.8 Q6|The sum of the squares of two digits of a positive integral Number is 65 and t...

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Mathematics Cinema
94-Exercise 2.8 Q7. The sum of the co-ordinate of a point is 9 and sum of their Squares is 45. Fi...
4:51
94-Exercise 2.8 Q7. The sum of the co-ordinate of a point is 9 and sum of their Squares is 45. Fi...

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Mathematics Cinema
95-Exercise 2.8 Q8.Find two integers whose sum is 9 and the difference of their squares is also 9.
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95-Exercise 2.8 Q8.Find two integers whose sum is 9 and the difference of their squares is also 9.

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Mathematics Cinema
96-Exercise 2.8 Q9. Find two integers whose difference is 4 and whose Squares differ by 72.
3:36
96-Exercise 2.8 Q9. Find two integers whose difference is 4 and whose Squares differ by 72.

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Mathematics Cinema
97-Exercise 2.8 Q10. Find the dimensions of a rectangle, whose perimeter is 80cm and its area is 375
6:42
97-Exercise 2.8 Q10. Find the dimensions of a rectangle, whose perimeter is 80cm and its area is 375

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Mathematics Cinema
98-MISCELLANEOUS EXERCISE -2 Q1. Multiple Choice Question
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98-MISCELLANEOUS EXERCISE -2 Q1. Multiple Choice Question

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